How to make nori sheets from scratch for making sushi

A simple approach at pressing seaweed into Nori

Technically nori refers only to seaweed. However, I realized that once a technique is mastered - or at leastlearnt; I'm a long way from mastery! - Why not play with it? Why not use it in unexpected but worthwhile ways? To that end I wondered what other wild and flavoursome foods could be used.